diff --git a/pkg/opencv/opencv.go b/pkg/opencv/opencv.go
index b9c0b5d..aab870c 100644
--- a/pkg/opencv/opencv.go
+++ b/pkg/opencv/opencv.go
@@ -1,8 +1,10 @@
 package opencv
 
 /*
-#cgo CXXFLAGS: -std=c++17
+#cgo CXXFLAGS: -std=c++17 -I/usr/include/opencv4
+#cgo linux CFLAGS: -I/usr/include/opencv4
 #cgo linux LDFLAGS: -lopencv_core -lopencv_imgproc -lopencv_imgcodecs -lopencv_objdetect
+#cgo darwin CFLAGS: -I/usr/local/include/opencv4
 #cgo darwin LDFLAGS: -lopencv_core -lopencv_imgproc -lopencv_imgcodecs -lopencv_objdetect
 
 #include <stdlib.h>